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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
</head>

<body>
    <script>
        // //请实现以下效果
        // function add (a, b, c) {
        //     return a + b + c
        // }
        // // console.log(add.length);

        // const res = add(1, 2, 3) // 6

        // let addCurry = curry(add)

        // // console.log(addCurry);
        // const res2 = addCurry(1)(2)(3) // 6

        // console.log(res2);
        const curry = fn => 
    judge = (...args) =>
        args.length >= fn.length
            ? fn(...args)
            : (...arg) => judge(...args, ...arg)

// Test
const fn = curry(function(a, b, c) {
    console.log([a, b, c]);
})

add(1, 2, 3) // 6
add(1, 2)(3) // 6
add(1)(2)(3) // 6
add(1)(2, 3) // 6
    </script>
</body>

</html>